body{
	background: url("../img/tt.jpg");
	background-attachment:fixed;
	background-repeat:no-repeat;
    background-position:50% 50%;
	margin-top: 180px;
	font-size: 30px;
}
#zhu{
	text-align: center;
}
table{
	margin-top: 30px;
	color: #89A9D6;
}